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Finding the Fourth Proportional to 522,100.60, 783,150.90 and 495,143.80

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Solution

The fourth proportional to 522,100.60, 783,150.90 and 495,143.80 is: 742,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,100.60 : 783,150.90 = 495,143.80 : x
  2. Step 2: Convert to fraction form
    522,100.60/783,150.90 = 495,143.80/x
  3. Step 3: Cross multiply
    522,100.60x = 783,150.90 × 495,143.80
  4. Step 4: Simplify right side
    522,100.60x = 387,772,312,599.42
  5. Step 5: Solve for x
    x = 387,772,312,599.42/522,100.60
  6. Step 6: Final answer
    x = 742,715.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.